the president saying the website is vastly improved and that obama care is here to stay. that reassurance comes as the president is under renewed pressure to hold people accountable for the botched rollout. >> do not let the initial problems with the website discourage you because it is working better now and it's just going to keep on working better over time. every day, i check to make sure that it's working better. >> in the meantime, a treasury department watchdog is noting potential problems come tax season. the inspector general says existing irs systems do not have the capability to detect fraud when it comes to the subsidies set up to help people buy insurance in the form of tax credits. administration officials say the irs aggressively safeguards its systems to combat fraud and that the health care system is no exception. >>> the results of actor paul walker's autopsy are expected to be released today. he and his friend were killed in a fiery and tragic car crash moments after this photo was taken of the "fast and furious" actor stepping into a 2005 red porsche.